Lan Barnes wrote: > On Tue, December 11, 2007 12:31 pm, Gus Wirth wrote: >> Lan Barnes wrote: >>> I just did a stupid "Send" of a trimmed Gus message. My bad. >>> >>> On Sun, December 9, 2007 6:48 pm, Gus Wirth wrote: >>> >>>> If all three cards are trying to record at the same time you may be >>>> encountering PCI bus latency issues. See this article on the MythTV >>>> Wiki >>>> for more info: http://www.mythtv.org/wiki/index.php/PCI_Latency >>>> >>> That looks terrifically promising. I checked and all three cards were at >>> latency 64. I bumped all three to 128, and added that to /etc/rc.local. >>> We >>> shall see if this problem goes away. >> What is the latency setting for the hard drive? It should be set higher >> than the cards. The article recommends setting the hard drive to have a >> latency of 0xb0 (176 dec). Also, the wiki links to an excellent article >> on the IBM Developer Works site >> <http://www-128.ibm.com/developerworks/library/l-hw2.html> which I >> highly recommend reading. That article gives more rational for the >> settings and gives good advice on IRQs (Interrupt Requests). >> >> Gus >> >> > > It had two drive controllers (remember, I got the machine used, so I'm > groping my way here). > > The first doesn't appear to be used, and I left it alone. > > 00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller > (rev 02) (prog-if 8a [Master SecP PriP]) > Subsystem: ASUSTeK Computer Inc. Unknown device 8089 > Flags: bus master, medium devsel, latency 0, IRQ 16 > I/O ports at 01f0 [size=8] > I/O ports at 03f4 [size=1] > I/O ports at 0170 [size=8] > I/O ports at 0374 [size=1] > I/O ports at f000 [size=16] > Memory at 50000000 (32-bit, non-prefetchable) [size=1K] > > The second was set at 64, and I bumped it up to 0xb0. > > 02:04.0 RAID bus controller: Silicon Image, Inc. SiI 3112 > [SATALink/SATARaid] Serial ATA Controller (rev 02) > Subsystem: Silicon Image, Inc. SiI 3112 SATARaid Controller > Flags: bus master, 66MHz, medium devsel, latency 176, IRQ 20 > I/O ports at b800 [size=8] > I/O ports at b400 [size=4] > I/O ports at b000 [size=8] > I/O ports at a800 [size=4] > I/O ports at a400 [size=16] > Memory at d9000000 (32-bit, non-prefetchable) [size=512] > Expansion ROM at e3f80000 [disabled] [size=512K] > Capabilities: [60] Power Management version 2 > > > Reply only if I messed up ... otherwise, let me watch this for a couple of > days and then report whether it turns out to be the secret sauce.
Is your hard drive SATA? I thought you had a Parallel ATA (IDE) drive. It wouldn't hurt to bump both controllers up. dmesg should show which controller has which drive. Gus -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
